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Home >> Chevrolet >> 2005 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 707 (Automatic Transaxle - 4T80-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Description And Operation >> Automatic Transmission Hydraulic Diagrams >> Park - Engine Running >> Hydraulic Controls >> #6 Checkball (Low/Reverse Band Apply/Reduce)

#6 Checkball (Low/Reverse Band Apply/Reduce)

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

This checkball is located in the valve body. The checkball seats against the Low & Reverse band reduce passage and routes fluid to the Low & Reverse servo piston.